nanog mailing list archives

Re: blocking AS30060


From: Haesu <haesu () towardex com>
Date: Tue, 16 Sep 2003 13:29:27 -0400


I am already filtering _30060_ and I currently see no problems.

Of course... seeing that email bounces may pile up, I should start routing that /24 to a box on our network pretty 
quick...

-hc

-- 
Sincerely,
  Haesu C.
  TowardEX Technologies, Inc.
  WWW: http://www.towardex.com
  E-mail: haesu () towardex com
  Cell: (978) 394-2867


On Tue, Sep 16, 2003 at 01:04:18PM -0400, William Allen Simpson wrote:

Mark Vevers wrote:

On Tuesday 16 Sep 2003 6:41 am, John Brown wrote:
we've burned a AS for this, ICK

Yup - and 2 /24's ....

#show ip bgp regexp _30060$
   Network          Next Hop            Metric LocPrf Weight Path
*>i12.158.80.0/24   xxx.xxx.xxx.xxx         305    100      0 1239 7018 26134
 30060 ? *>i64.94.110.0/24   xxx.xxx.xxx.xxx       305    100      0 1239
 7018 26134 30060 ?

based on the ASNAME, its seems a nice little route-map
/dev/null will be real easy.  As long as they keep prefixs
used in this really dumb idea for this idea.

If you have a full table (i.e. no default) just drop inbound routes with a
AS path _30060$

Are there any adverse side effects, that anybody can think of?

-- 
William Allen Simpson
    Key fingerprint =  17 40 5E 67 15 6F 31 26  DD 0D B9 9B 6A 15 2C 32


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